A Reduced-Complexity Projection Algorithm for ADMM-Based LP Decoding
A Reduced-Complexity Projection Algorithm for ADMM-Based LP Decoding
复制标题
一种用于基于 ADMM 的 LP 解码的复杂度降低的投影算法
DOI:
10.1109/tit.2020.2984247
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发表时间:
2019
影响因子:
2.5
通讯作者:
N. Wehn
中科院分区:
文献类型:
--
作者:
F. Gensheimer;T. Dietz;K. Kraft;S. Ruzika;N. Wehn
The alternating direction method of multipliers has recently been adapted for linear programming decoding of low-density parity-check codes. The computation of the projection onto the parity polytope is the core of this algorithm and usually involves a sorting operation, which is the main effort of the projection. In this paper, we present an algorithm with low complexity to compute this projection. The algorithm relies on new findings in the recursive structure of the parity polytope and iteratively fixes selected components. As shown in our realistic simulation setup, it requires up to 37% less arithmetical operations compared with state-of-the-art projections. Additionally, it does not involve a sorting operation, which is needed in all exact state-of-the-art projection algorithms. These two benefits make it appealing for efficient hardware and software implementations.
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影响因子:
0.8
作者:
R. Jeroslow
通讯作者:
R. Jeroslow
DOI:
--
发表时间:
2015
期刊:
International Symposium on Information Theory
影响因子:
--
作者:
Xishuo Liu;S. Draper
通讯作者:
S. Draper
DOI:
10.1109/isit.2013.6620477
发表时间:
2013-07
期刊:
2013 IEEE International Symposium on Information Theory
影响因子:
--
作者:
Xiaojie Zhang;P. Siegel
通讯作者:
Xiaojie Zhang;P. Siegel
DOI:
10.1109/ict.2018.8464884
发表时间:
2018
期刊:
2018 25th International Conference on Telecommunications (ICT)
影响因子:
--
作者:
Florian Gensheimer;Tobias Dietz;Stefan Ruzika;Kira Kraft;N. Wehn
通讯作者:
N. Wehn